Ib biology topic 3 Study guides, Class notes & Summaries
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IB Biology Topic 3 Questions With Answers
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IB Biology Topic 3 Questions With Answers...
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IB Biology - Topic 3 – Genetics Latest 2024 Graded A+
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IB Biology - Topic 3 – Genetics Latest 
 
2024 Graded A+ 
 
Define gene. A heritable factor that consists of a length of DNA (not an entire chromosome) 
and influences a specific characteristic 
 
Define allele. Various forms of a gene 
 
Define locus. The position a gene occupies on one type of chromosome 
 
Define genome. The whole genetic information of an organism 
 
How do alleles differ from one another? By a few differences in DNA base sequence 
 
What is the genome size (million base p...
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IB Biology SL — Topic 1 • Cell Biology with Complete Solutions
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IB Biology SL — Topic 1 • Cell Biology 
 
with Complete Solutions 
 
Cell theory 1. All living things are composed of cells 
2. Cells are the smallest unit of life 
3. Cells only arise from pre-existing cells 
 
Striated muscle cell Exception to cell theory! 
 
→ Muscle cells fuse to form fibres that may be very long (>300mm) 
 
→ Consequently, they have multiple nuclei despite being surrounded by a single, continuous 
plasma membrane 
 
→ Challenges the idea that cells always funct...
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IB SL BIOLOGY TOPIC 3 GENETICS COMPLETE STUDY GUIDE 2023.
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IB BIOLOGY TOPIC 3 
GENETICS COMPLETE 
 STUDY GUIDE 2023. 
HKEXCEL LTD. 1 
Topic 3.1 – Genes 
Genetics 
x It is the study of variation and inheritance. The basic unit of inheritance is a gene. 
Gene 
x A gene is defined as a heritable factor that controls a specific characteristic for an organism, or a 
section of DNA that codes for the formation of a polypeptide. 
x A gene occupies a specific position on a chromosome. 
x A typical animal or plant cell nucleus contains thousands of genes. The ...
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IB Biology Topic 1: Cell Biology Questions and Answers Already Passed
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IB Biology Topic 1: Cell Biology 
Questions and Answers Already Passed 
 
What does cell theory state? That cells are the smallest possible unit of life and that living 
organisms are made up of cells. 
 
What are unicellular organisms? Give two examples Unicellular organisms are organisms 
with only one cell, such as Paramecium and Chlamydomonas. In unicellular organisms the one 
cell carries out all of the functions of life. 
 
Why are large organisms multicellular? Because of surface area to ...
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IB Biology HL Topic 7 Latest 2024 Graded A
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IB Biology HL Topic 7 Latest 2024 
 
Graded A 
 
DNA structure antiparallel strands, 3'-5' linkages, and H bonding between purines and 
pyrimidines 
 
Nucleosomes consist of DNA wrapped around 3 histone proteins and are held together by 
another histone protein 
 
Nucleosomes help to supercoil chromosomes and help to regulate transcription 
 
Unique (single-copy) genes are translated and constitute a surprisingly small proportion of 
eukaryotic DNA 
 
Highly repetitive sequences constitute 5-4...
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IB Biology All Covered in one Package
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IB Biology, Unit 2 - Molecular biology Exam Questions and Answers (Latest Update 2023)

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IB Biology Topic 2: Molecular Biology Exam Questions and Answers (Latest Update 2023) Verified Answer

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IB Biology Review Exam Topic 2: Molecular Biology Actual Exam Questions Answered Correctly LATEST 2023-2024

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IB Biology HL Topic 8 Latest Version Graded A+
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IB Biology HL Topic 8 Latest Version 
 
Graded A+ 
 
Oxidation involves the loss of electrons from an element; frequently involves gaining 
oxygen or losing hydrogen 
 
Reduction involves a gain of electrons; frequently involves losing oxygen or gaining 
hydrogen 
 
Glycolysis first stage of cell respiration; in the cytoplasm, one hexose sugar is converted into 
2 3-carbon atom compounds (pyruvate) with a net gain of 2 ATP and 2 NADH + H 
 
Phosphorylation 2 phosphate groups are added to a molec...
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IB SL BIOLOGY TOPIC 1 CELL BIOLOGY QUESTIONS AND ANSWERS COMPLETE STUDY GUIDE 2023
- Summary • 5 pages • 2023
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IB BIOLOGY TOPIC 1 CELL 
BIOLOGY QUESTIONS AND 
ANSWERS COMPLETE 
 STUDY GUIDE 2023 
IB Biology Topic 1: Cell Biology 
1. Cell theory: The theory that cells form the fundamental structural and functional 
units of all living organisms. 
2. Differentiation: The expression of a particular gene(s) and not others in order 
for cell specialisation. 
3. Emergent properties: The idea that the sum of an organism is more than the 
parts interacting and combining. Living things become more complex as they...
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IB Biology Topic 3 & 10: Genetics - M22 with 45
- Summary • 19 pages • 2022
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The notes for the IB course of Biology - TOPIC 3 & 10 GENETICS - by an IB student of M22 achieving 45 points (7 for Biology predicted and achieved). Notes are handwritten and organized by subchapter. All you need to achieve a 7 in IB Biology is contained within the note-set for this chapter. Contains only relevant information that gets asked in exams and topic tests - summarized from the Companion Course-books (Pearson and Oxford). Perfect for revision purposes and final IB exams.
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